Cross reference
1 Thessalonians 5:17
17 Keep on with your prayers.
Romans 12:12
12 Being glad in hope, quiet in trouble, at all times given to prayer,
Colossians 4:2
2 Give yourselves to prayer at all times, keeping watch with praise;
Luke 18:1
1 And he made a story for them, the point of which was that men were to go on making prayer and not get tired;
Ephesians 6:18
18 With prayers and deep desires, making requests at all times in the Spirit, and keeping watch, with strong purpose, in prayer for all the saints,
Luke 21:36
36 But keep watch at all times with prayer, that you may be strong enough to come through all these things and take your place before the Son of man.
1 Peter 4:7
7 But the end of all things is near: so be serious in your behaviour and keep on the watch with prayer;